Question

What is Anomalous expansion of water?

Answer 1

The anomalous expansion of water is an abnormal property of waterwhereby it expands instead of contracting when the temperature goes from 4oC to 0oC, and it becomes less dense. The density becomes less and less as it freezes because molecules of water normally form open crystal structures when in solid form.

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Answer 2

Answer:

the property of water in which it behaves different than the other liquids is known as the anomalous expansion of water.Water when cooled from high temperature expands up to 4 degree c and thereafter it contracts  below 4 degree c up to 0 degree c.Thus,its density decreases up to 4 degree c and on further cooling its density increases below 4 degree c up to 0 degree c.This is known as anomalous expansion of water.

Explanation: